In 2030, TOKYO. A.I. (Artificial Intelligence) assistant service robots for practical use are increasing in human lives. They are now able to support humans for schedule management and communications. They also help humans as parts of functions in social media application services. Providing companies data such as personal hobbies, preferences, behavior analysis, A.I. is used in common for the development of technologies. Living in an era that A.I. and humans coexist, what problems do humans face?